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Alinara [238K]
3 years ago
11

-2.3 + 10.8 + (-8.4)

Mathematics
1 answer:
spayn [35]3 years ago
6 0

Answer:

.1

Step-by-step explanation:

Try and take it step by step.

-2.3 + 10.8 + (-8.4)

First let's rearrange and combine the negatives.

-2.3 + (-8.4) + 10.8

-2.3 + (-8.4) = - 10.7

Let's rewrite

10.8 - 10.7  and solve!

10.8 - 10.7 = .1

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adjective

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chief

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primary

central

principal

foremost

first

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number-one

fundamental

basic

essential

elemental

vital

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top-quality

highest quality

top

top-tier

best

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first-rate

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8 0
3 years ago
Solve for b:<br><br> b² = 8b + 84
levacccp [35]
B² = 8b + 84
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                       2(1)<u>
</u>b = <u>8 +/- √(64 + 336)</u>
                   2
b = <u>8 +/- √(400)
</u>               2<u>
</u>b = <u>8 +/- 20
</u>            2
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b = 4 + 10          b = 4 - 10
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<u />
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